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Filling level sensor in a fuel tank of a motor vehicle, production method for such a filling level sensor, and method for operating such a filling level sensor

A technology for motor vehicles and indicators, applied in the direction of buoy liquid level indicators, liquid level indicators, instruments, etc., can solve the problems of hindering the automatic installation of liquid level indicators, time consumption, etc., and achieve simple cost, low storage and logistics Cost, the effect of low manufacturing cost

Active Publication Date: 2014-08-20
VTESCO TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Manual adjustment prevents the automatic installation of the level indicator and additionally requires additional time-consuming

Method used

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  • Filling level sensor in a fuel tank of a motor vehicle, production method for such a filling level sensor, and method for operating such a filling level sensor
  • Filling level sensor in a fuel tank of a motor vehicle, production method for such a filling level sensor, and method for operating such a filling level sensor
  • Filling level sensor in a fuel tank of a motor vehicle, production method for such a filling level sensor, and method for operating such a filling level sensor

Examples

Experimental program
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Embodiment Construction

[0027] exist figure 1The fuel tank 1 shown in includes an oil pump unit 2 . The oil pump unit 2 is inserted through the opening 3 of the fuel tank 1 , wherein the flange 4 closes the opening 3 in the fuel tank 1 . The oil pump unit 2 comprises a swirl pot 5 which, in addition to fuel, accommodates a fuel pump 6 arranged therein, which supplies fuel to a not shown internal combustion engine of the motor vehicle. The swirl pot is connected to the flange 4 via two supports 7 in such a way that the oil pump unit 2 rests with the swirl pot 5 on the bottom of the fuel tank 1 . The liquid level indicator 8 is fixed on the anti-swirl tank 5 . Furthermore, the fill level indicator 8 has a carrier 9 for fastening to the swirl pot 5 . The substrate 10 has a resistive network 11 arranged thereon, which is fixed encapsulated or unencapsulated on the carrier 9 . A lever arm 13 fixed in the segmented plate 12 is mounted on the carrier 9 in such a way that it can be pivoted on the base pl...

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Abstract

The invention relates to a filling level sensor (8) in a fuel tank (1) of a motor vehicle, comprising a substrate (10) having a resistance network (11) arranged thereon, one or more electrical contacts (14), which are in contact with the resistance network (11) in order to produce an electrical signal depending on the pivoting of a lever arm (13), and a float (15), which is fastened to the lever arm (13) in such a way that the lever arm (13) can be moved by the float (15) in accordance with the filling level. The filling level sensor (8) is connected to electronics (17), and the electronics (17) are designed in such a way that the electronics provide a respective corresponding electrical target signal for each of the electrical signals generated by the filling level sensor (8).

Description

technical field [0001] The invention relates to a liquid level indicator in a fuel tank of a motor vehicle, the liquid level indicator is composed of a resistor network, one or more electrical contacts and a buoy, these electrical contacts are used according to the deflection of the lever arm and the A resistor network generating an electrical signal is contacted, and the float is fixed on the lever arm in such a way that the lever arm can be moved by the float as a function of the liquid level. Furthermore, the subject matter of the invention is a method for producing such a fill level indicator and a method for operating such a fill level indicator. Background technique [0002] Such lever indicators have been known for a long time and are therefore prior art. The electrical contacts can be designed as sliding contacts fixed on the bow plate. The bracket is connected to the lever arm so that the electrical contacts can be moved by the lever arm. The bow plate is mounted...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/36G01F25/00
CPCG01F25/0061G01F23/36G01F23/363G01F25/20
Inventor 托马斯·克莱因
Owner VTESCO TECH GMBH